In line with previous studies, Miller and colleagues find an increased risk of narcolepsy after vaccination with AS03 adjuvanted pandemic A/H1N1 2009 influenza vaccine (Pandemrix; odds ratio 16.2, 95% CI 3.1 to 84.5) and call for similar studies on other flu vaccines.1

Several flu vaccines are available in Europe, both adjuvanted and non-adjuvanted. All suspected adverse vaccine reactions must be reported to pan-European database EudraVigilance (www.adrreports.eu), which will soon be fully publicly accessible. The first suspected case of narcolepsy associated with a non-adjuvanted flu …